JPH0349196Y2 - - Google Patents
Info
- Publication number
- JPH0349196Y2 JPH0349196Y2 JP20297585U JP20297585U JPH0349196Y2 JP H0349196 Y2 JPH0349196 Y2 JP H0349196Y2 JP 20297585 U JP20297585 U JP 20297585U JP 20297585 U JP20297585 U JP 20297585U JP H0349196 Y2 JPH0349196 Y2 JP H0349196Y2
- Authority
- JP
- Japan
- Prior art keywords
- face
- shield body
- electromagnetic waves
- antenna
- cutter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 239000004576 sand Substances 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Radar Systems Or Details Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20297585U JPH0349196Y2 (en]) | 1985-12-28 | 1985-12-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20297585U JPH0349196Y2 (en]) | 1985-12-28 | 1985-12-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62114996U JPS62114996U (en]) | 1987-07-22 |
| JPH0349196Y2 true JPH0349196Y2 (en]) | 1991-10-21 |
Family
ID=31167864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20297585U Expired JPH0349196Y2 (en]) | 1985-12-28 | 1985-12-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0349196Y2 (en]) |
-
1985
- 1985-12-28 JP JP20297585U patent/JPH0349196Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62114996U (en]) | 1987-07-22 |
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